The cell process illustrates the phases of...

the questions are all based on a diagram  im not quite understanding how im supposed to interpret it to find the answers.
40. the type of cell represented at stage 1 is
A. male and female gamete
B. reproductive germ cell
C. somatic or body cell
D sprem cell

41. what is the diploid number of this cell?
A 16
B 8
C 4
D 2

42. the type of cell represented at stage 8 is?
A gametes
B reproductive cells
C ameoba
D somatic cells

43. the cell process illustrates the phases of ?
A cancer
B meiosis
C mitosis
D conjugation

There are a couple more questions that go with this diagram but I'm hopin if i can get a lil help with these ones i can answer the rest on my own.